Finding the Fourth Proportional to 22,488.93, 31,034.31 and 12,417.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,488.93 : 31,034.31 = 12,417.15 : x
2. Step 2: Convert to fraction form
   22,488.93/31,034.31 = 12,417.15/x
3. Step 3: Cross multiply
   22,488.93x = 31,034.31 × 12,417.15
4. Step 4: Simplify right side
   22,488.93x = 385,357,682.42
5. Step 5: Solve for x
   x = 385,357,682.42/22,488.93
6. Step 6: Final answer
   x = 17,135.44